Would the new regime resort to the use of nuclear weapons against Ukraine or anyone else? As unpredictable and irrational as he's become, there's some comfort

Would the new regime resort to the use of nuclear weapons against Ukraine or anyone else? As unpredictable and irrational as he's become, there's some comfort in Putin's track record of staying off the button. I really hope these events don't cause him to start getting YOLOy